[LLVMbugs] [Bug 9251] New: Support -fno-delete-null-pointer-checks
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Sat Feb 19 01:50:16 PST 2011
http://llvm.org/bugs/show_bug.cgi?id=9251
Summary: Support -fno-delete-null-pointer-checks
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
AssignedTo: unassignedclangbugs at nondot.org
ReportedBy: edwintorok at gmail.com
CC: llvmbugs at cs.uiuc.edu
Linux kernel uses it, because it want gcc to play smart and delete NULL pointer
checks and introduce security bugs that way (NULL pointer deref doesn't always
crash kernel, especially if someone managed to map page 0).
clang should probably support it too.
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